The FitGirl version is based on the Premium Edition (v1.6.2.0) and includes several distinct technical advantages:

: All released expansions are integrated and activated, including the Season of Infamy, Batgirl: A Matter of Family, and various skin packs. System Requirements for Batman: Arkham Knight

: The original game files, which can exceed 67 GB, are compressed down to approximately 26.9 GB to 27 GB .